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130316400 = 24325253683
BaseRepresentation
bin1111100010001…
…11100001110000
3100002012202111100
413301013201300
5231330111100
620533044400
73141446124
oct761074160
9302182440
10130316400
1167618705
1237786700
1320cc97c6
1413443584
15b692400
hex7c47870

130316400 has 180 divisors, whose sum is σ = 461441448. Its totient is φ = 34045440.

The previous prime is 130316399. The next prime is 130316419. The reversal of 130316400 is 4613031.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 190459 + ... + 191141.

Almost surely, 2130316400 is an apocalyptic number.

130316400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130316400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230720724).

130316400 is an abundant number, since it is smaller than the sum of its proper divisors (331125048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130316400 is a wasteful number, since it uses less digits than its factorization.

130316400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 130316400 is about 11415.6208766760. The cubic root of 130316400 is about 506.9903479600.

Adding to 130316400 its reverse (4613031), we get a palindrome (134929431).

The spelling of 130316400 in words is "one hundred thirty million, three hundred sixteen thousand, four hundred".